Effect of Advancing Direction of Working Face on Mining Stress Distribution in Deep Coal Mine

Figure 7

Influence of advancing direction on maximum principal stress distribution of working face. (a) 0°. (b) 15°. (c) 30°. (d) 45°. (e) 60°. (f) 90°.

(a)

(b)

(c)

(d)

(e)

(f)